This is a bit subjective, but it could be argued that social change had the biggest change in Southern life, since the abolition os slavery (which was inherently a social issue) led to the biggest changes.
Answer: when germany started to build its military again (which they were not really supposed to be doing the the first place) i would've put limits in place immediately. the allies allowed Hitler to do what ever he wanted because they were afraid. i would've tried to shut it down before the german army got out of hand. before they obtained the power they had.
Answer:the election of president of Obama
Explanation: Patriotism deals with our country and Obama is the most related thing to patriotism. Plus, was elected in the last 20 years
America : Woodrow Wilson
Germany : Friedrich Ebert
great Britain : David Lloyd George